Power, passion and duplicity drive this landmark saga set at the Southfork ranch, home of the oil-rich Ewing clan and ground zero for prime-time soaps in the late '70s and through the '80s. The most successful prime-time soap in TV history, `Dallas' spawne (more…)Power, passion and duplicity drive this landmark saga set at the Southfork ranch, home of the oil-rich Ewing clan and ground zero for prime-time soaps in the late '70s and through the '80s. The most successful prime-time soap in TV history, `Dallas' spawned the popular `Knots Landing' and inspired a plethora of clones, most notably its chief ratings challenger, `Dynasty.' It also ushered in the use of cliffhanger endings to bolster interest and ratings with its 1980 `Who Shot J.R.?' episode.